function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Araújo, Diogo & Alves, Marccus', 1],
    ['Bai, Lin & Maslin, Bruce & Xia, Nianhe', 1],
    ['Bruneau, Anne & de Queiroz, Luciano Paganucci', 1],
    ['Gomes, Aureliana Santos & Rodrigues, Erimágna De Morais', 1],
    ['Hahn, Norbert', 1],
    ['Maia, Valéria Cid & Mascarenhas, Bernardo', 2],
    ['Miller, Joseph T. & Seigler, David', 12],
    ['Miller, Joseph T. & Terra, Vanessa & Riggins, Chance', 1],
    ['Molino, Jean-François & Sabatier, Daniel & Grenand, Pierre', 1],
    ['Rauber, Cristiane Ritter & Lima, Laura Cristina Pires', 8],
    ['Seigler, David S. & Morim, Marli Pires & Barros, Michel', 1],
    ['Silva, Lucas De Almeida & Freitas, Joelcio', 2]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=32)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 12, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);